Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4IW callsign genealogy
Currently held by ODER, HARRY H
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KW4IW's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KW4IW.
- ODER, HARRY HGAgranted 2015-05-12cancelled 2022-02-15